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A 5.82g silver coin is liquefy in nitric acid. while sodium chloride is added to the solution, all the silver is precipitated as AgCl. The AgCl precipitate weighs 7.20g. Find out the percentage of silver in the coin.
The H NMR spectrum of a compound with formula C3H8O demonstrate signals at 1.2 (doublet) 2.2 (singlet) and 4.0 (septet, split seven ways). Define the structure and provide an acceptable name of the compound.
A balloon is cooled by removing 0.655 kj of heat. It shrinks on cooling, and the atmosphere does 382 j of work on the balloon. (b) A 100.0-g bar of gold is heated from 25°C to 50°C during which it absorbs 322 j of heat
Explain what d-electron configurations as well as spin states are characteristic of some of the most stable octahedral complexes. Why.
A metal was heat up in hot water and then put into a Styrofoam cup of water at room temperature. the specific heat was calculated.
cyclohexane-toluene mixture, and then obtain IR spectra for each fraction. How would the IR spectrum of the first 1 mL fraction look different from that of the last 1 mL fraction?
A thin plate of copper is suspended in seawater. If the corrosion rate is 0.9 mpy (mils per year) and the plate is a square of dimension 3.5 in. per side, how much weight loss (in mg) is expected in 16 days. Express your answer in the form X.X, ro..
Fully explain hemoglobin's function in the bicarabonate buffer system including how oxygen binding affinity changes in this process.
Determine the final pressure, volume, temperature, and number of moles of gas when the volume is reduced by half at the time when gas is compressed? Use C p /C v = 1.3
How many moles of an ideal gas would occupy a 25.0 liter container when the temperature is 22.0° C and the pressure is 646 torr?
What is the formula of precipitate if 6M NaOH is added slowly to a solution containing Chromium (III)
a solution is prepared by dissolving 2.86 grams of sodium chloride 3.9 grams of ammonium sulfate and 0.896 grams of
The rate constant for the second- order reaction.starting with a concentration of 0.86m, calculate the concentration of NOBr after 57s.
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